Microsoft for years treated open source like the plague. That's all forgotten now, as the software giant unveils plans to open source its .NET programming language and let developers use it for Linux and Mac apps.

With the iPad Air 2 on the market, partners analyze whether or not it is enough to turn around the tablets' dipping sales numbers. Will current iPad users want to upgrade? Apple partners express their doubts, but say Touch ID and Apple Pay make the new iPads enticing.

Harbortouch's Perkwave app will allow users to pay for orders at restaurants and bars directly from their phone, with its CEO predicting the company will be processing more than a million Apple Pay transactions a month.